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Acadia Healthcare Company, Inc. (ACHC)

Nasdaq: ACHC · Services-Specialty Outpatient Facilities, NEC · Franklin, TN · filing with the SEC since 2011
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Grade4.1
◀ Past 5.0● Present 3.6▶ Future 3.8
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Filings

282 filings since 2017 beside 348 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 35 days after the quarter ended. The proxy statement was last filed Mar 25, 2026.

Filings a yearinsider forms included
5654476676646056
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 8 times in the last 36 months, the newest Apr 23, 2026.SEC letters: 9 in the last 36 months, the newest Feb 20, 2025.
Insider forms 348

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 4, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Nov 4, 2026 10-Q Quarterly report Sep 30, 2026
Oct 8, 2026 SCHEDULE 13G Large holder notice
Sep 25, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 28, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Jul 28, 2026 10-Q Quarterly report Jun 30, 2026
Jul 27, 2026 SCHEDULE 13G/A Large holder update, amended
May 18, 2026 8-K item 8.01 Other event · Current report
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 11, 2026 S-8 Employee stock plan registration
May 11, 2026 SCHEDULE 13G/A Large holder update, amended
May 6, 2026 8-K items 5.07, 9.01 Shareholder vote · Current report
Apr 30, 2026 10-Q Quarterly report Mar 31, 2026
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Apr 28, 2026 SCHEDULE 13G Large holder notice
Apr 23, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Apr 22, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 25, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 25, 2026 DEFA14A Extra proxy material
Mar 25, 2026 DEF 14A Proxy statement May 6, 2026
Mar 12, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Mar 9, 2026
Mar 11, 2026 SCHEDULE 13G Large holder notice
Feb 27, 2026 10-K Annual report Dec 31, 2025
Feb 25, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Feb 12, 2026 SCHEDULE 13G Large holder notice
Feb 10, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 23, 2026 SCHEDULE 13D/A Activist holder update, amended
Jan 23, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Jan 20, 2026
Jan 20, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Jan 19, 2026
Jan 13, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Dec 2, 2025 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Nov 24, 2025 SCHEDULE 13D/A Activist holder update, amended
Nov 10, 2025 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Nov 5, 2025 8-K items 2.02, 5.02, 9.01 Results released; Officer or director change · Current report Oct 30, 2025
Nov 5, 2025 10-Q Quarterly report Sep 30, 2025
40 of 282 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ACHC · research, not advice